.NET Interview questions and Answers: 5

Caching Concepts

1. What is application object ?
2. What’s the difference between Cache object and application object ?
3. How can get access to cache object ?
4. What are dependencies in cache and types of dependencies ?
5. Can you show a simple code showing file dependency in cache ?
6. What is Cache Callback in Cache ?
7. What is scavenging ?
8. What are different types of caching using cache object of ASP.NET?
9. How can you cache different version of same page using ASP.NET cache object ?
10. How will implement Page Fragment Caching ?
11. What are ASP.NET session and compare ASP.NET session with classic ASP session variables?
12. Which various modes of storing ASP.NET session ?
13. Is Session_End event supported in all session modes ?
14. What are the precautions you will take in order that StateServer Mode work properly ?
15. What are the precautions you will take in order that SQLSERVER Mode work properly ?
16. Where do you specify session state mode in ASP.NET ?
17. What are the other ways you can maintain state ?
18. What are benefits and Limitation of using Hidden fields ?
19. What is ViewState ?
20. Do performance vary for viewstate according to User controls ?
21. What are benefits and Limitation of using Viewstate for state management?
22. How an you use Hidden frames to cache client data ?
23. What are benefits and Limitation of using Hidden frames?
24. What are benefits and Limitation of using Cookies?
25. What is Query String and What are benefits and Limitation of using Query Strings?